:root { color-scheme: light dark; --paper: #F4F6F9; --ink: #111827; --muted: #6B7280; --accent: #2E6B9E; --card: #FFFFFF; --line: #E3E8EE; }
@media (prefers-color-scheme: dark) { :root { --paper: #0F1418; --ink: #F3F4F6; --muted: #9CA3AF; --accent: #7FB2DD; --card: #1A2128; --line: #2A333C; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.5 -apple-system, "SF Pro Text", system-ui, "Helvetica Neue", Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
main { max-width: 640px; margin: 0 auto; padding: 48px 20px 64px; }
h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.4px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p { margin: 0 0 12px; }
.sub { color: var(--muted); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.6px; text-transform: uppercase; color: var(--muted); margin: 32px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 12px 0; }
a { color: var(--accent); }
nav a { margin-right: 16px; }
footer { margin-top: 48px; color: var(--muted); font-size: 15px; }
.disclaimer { background: rgba(46,107,158,0.06); border-radius: 12px; padding: 12px 16px; color: var(--muted); font-size: 15px; }